101Leafy researched the games.
Weathered Blades

Blades weathered in an unexpected manner. If they were to be refitted...?
| Class | Dual Blades |
|---|---|
| Rarity | 6 |
| Attack | 182 |
| Slots | 0 |
| Price | 12,500z |
Upgrades
| Upgraded from | Worn Blades |
|---|---|
| Upgrades into | Eternal Schism, Hi Twin Daggers |
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 716.